Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > enq0er | GIF version |
Description: The equivalence relation for nonnegative fractions is an equivalence relation. (Contributed by Jim Kingdon, 12-Nov-2019.) |
Ref | Expression |
---|---|
enq0er | ⊢ ~Q0 Er (ω × N) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-enq0 7225 | . . . . 5 ⊢ ~Q0 = {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ (ω × N) ∧ 𝑦 ∈ (ω × N)) ∧ ∃𝑧∃𝑤∃𝑣∃𝑢((𝑥 = 〈𝑧, 𝑤〉 ∧ 𝑦 = 〈𝑣, 𝑢〉) ∧ (𝑧 ·o 𝑢) = (𝑤 ·o 𝑣)))} | |
2 | 1 | relopabi 4660 | . . . 4 ⊢ Rel ~Q0 |
3 | 2 | a1i 9 | . . 3 ⊢ (⊤ → Rel ~Q0 ) |
4 | enq0sym 7233 | . . . 4 ⊢ (𝑓 ~Q0 𝑔 → 𝑔 ~Q0 𝑓) | |
5 | 4 | adantl 275 | . . 3 ⊢ ((⊤ ∧ 𝑓 ~Q0 𝑔) → 𝑔 ~Q0 𝑓) |
6 | enq0tr 7235 | . . . 4 ⊢ ((𝑓 ~Q0 𝑔 ∧ 𝑔 ~Q0 ℎ) → 𝑓 ~Q0 ℎ) | |
7 | 6 | adantl 275 | . . 3 ⊢ ((⊤ ∧ (𝑓 ~Q0 𝑔 ∧ 𝑔 ~Q0 ℎ)) → 𝑓 ~Q0 ℎ) |
8 | enq0ref 7234 | . . . 4 ⊢ (𝑓 ∈ (ω × N) ↔ 𝑓 ~Q0 𝑓) | |
9 | 8 | a1i 9 | . . 3 ⊢ (⊤ → (𝑓 ∈ (ω × N) ↔ 𝑓 ~Q0 𝑓)) |
10 | 3, 5, 7, 9 | iserd 6448 | . 2 ⊢ (⊤ → ~Q0 Er (ω × N)) |
11 | 10 | mptru 1340 | 1 ⊢ ~Q0 Er (ω × N) |
Colors of variables: wff set class |
Syntax hints: ∧ wa 103 ↔ wb 104 = wceq 1331 ⊤wtru 1332 ∃wex 1468 ∈ wcel 1480 〈cop 3525 class class class wbr 3924 ωcom 4499 × cxp 4532 Rel wrel 4539 (class class class)co 5767 ·o comu 6304 Er wer 6419 Ncnpi 7073 ~Q0 ceq0 7087 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-coll 4038 ax-sep 4041 ax-nul 4049 ax-pow 4093 ax-pr 4126 ax-un 4350 ax-setind 4447 ax-iinf 4497 |
This theorem depends on definitions: df-bi 116 df-dc 820 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ne 2307 df-ral 2419 df-rex 2420 df-reu 2421 df-rab 2423 df-v 2683 df-sbc 2905 df-csb 2999 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-nul 3359 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-int 3767 df-iun 3810 df-br 3925 df-opab 3985 df-mpt 3986 df-tr 4022 df-id 4210 df-iord 4283 df-on 4285 df-suc 4288 df-iom 4500 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-dm 4544 df-rn 4545 df-res 4546 df-ima 4547 df-iota 5083 df-fun 5120 df-fn 5121 df-f 5122 df-f1 5123 df-fo 5124 df-f1o 5125 df-fv 5126 df-ov 5770 df-oprab 5771 df-mpo 5772 df-1st 6031 df-2nd 6032 df-recs 6195 df-irdg 6260 df-oadd 6310 df-omul 6311 df-er 6422 df-ni 7105 df-enq0 7225 |
This theorem is referenced by: enq0eceq 7238 nqnq0pi 7239 mulcanenq0ec 7246 nnnq0lem1 7247 addnq0mo 7248 mulnq0mo 7249 |
Copyright terms: Public domain | W3C validator |